Payment & Shipping Terms:
|Appearance:||Pale Yellow Powder||Package:||25kgs Bag|
|Free Phneol:||Low||Molecular Weight Distribution:||Medium|
|Features3:||Long Flow||Application:||Grinding Wheels|
Bakelite Phenolic resins Powder are synthetic polymers formed as condensation products of phenols and aldehydes under acidic condition.It is novolac resin and milled into powder and re-mixed with Hexa. These resins require a curing agent - often hexamethylenetetramine or hexa.They are not heat-sensitive.
These resins are suited to both cold and hot compression molding for the production of a range of abrasive wheels, including those utilizing glass fabric prepregs for reinforcement.
|Curing time @150°C||85-105s||GB/T24411-2009|
the package is paper-plastics bag in 25KGS each one
The storage life of this product is several months in a cool and dry place in original closed bags